have developed vs have been developed

The phrases 'have developed' and 'have been developed' are not directly comparable as they serve different purposes. 'Have developed' is used for talking about actions that someone has completed, while 'have been developed' is used for passive constructions to indicate that something has undergone development by someone or something else.

Last updated: April 03, 2024 • 750 views

This phrase is correct and commonly used in English.

"have developed"

This phrase is used to talk about actions that someone has completed or skills that someone has acquired over time.

Examples:

She has developed a new software program.
He has developed a strong work ethic.
They have developed a new marketing strategy.
The company has developed a reputation for quality products.
Over the years, she has developed a passion for photography.

Show examples from the web [+]

Geneticists have developed a similar tool called genetic barcoding.
But some modem's companies have developed 56Kbps modems.
We take these concerns seriously and have developed our products accordingly.
And the technology we have developed - it's called SIM OFDM.
You seem to have developed a taste for the finer things.
He seems to have developed some sort of resistance to the procedure.
Many countries have developed national action plans for change.
There are several companies that have developed vertical specific harvesting platforms.
Most cultures have developed regional forms of grappling.
However, some individuals with only brief exposures have developed mesothelioma.
Besides USRobotics and Rockwell have developed their 56Kbps technology.
Isolation, the Miskito have developed a primitive socialism.
Bell Aerosystems, Areojet General, and NASA have developed a restartable rocket engine.
They have developed one of the most efficient and highly profitable systems on a global level.
In just two years, Syrian refugees have developed a multi-million-dollar economy.
We have developed a tremendous appreciation for the capabilities of human race car drivers.
All of us as women have developed a reservoir of resentment and anger.
Lord Moray and Mary have developed an uncanny, nearly preternatural ability to undermine me.
We have developed a clean and simple way of converting mass into pure energy.
Now, psychologists have developed several theories on how humans learn.

Alternatives:

have created
have built
have formed
have established
have cultivated

This phrase is correct and commonly used in English, especially in passive constructions.

"have been developed"

This phrase is used in passive constructions to indicate that something has undergone development by someone or something else.

Examples:

The new product has been developed by our research team.
The park has been developed into a recreational area.
The software has been developed to meet the needs of the users.
The concept has been developed further in the latest research.
The area has been developed for commercial purposes.

Show examples from the web [+]

Many methods have been developed for measuring temperature.
Special computer-controlled units have been developed for the production of the Massiv-Holz-Mauer.
Many other microscopy techniques have been developed based upon STM.
Nanoradios have been developed structured around carbon nanotubes.
MultiStraps have been developed for versatile use in healthcare.
For this reason, alternative non-animal technologies have been developed.
New user services have been developed.
Rotary shears and hook shredders have been developed for similar applications.
FRET hybridization probes of different formats have been developed.
That's how seeds have been developed.
Already several military robots have been developed by various armies.
Since 2005 all products have been developed and marketed under the brand name Porsche Design.
However, garbage collectors compatible with such limited environments have been developed.
Recently new materials have been developed that could be superior to' RCC.
Therefore, many different ATPG methods have been developed to address combinational and sequential circuits.
Several LBM multiphase/multicomponent models have been developed.
Many methods of decreasing the response time of ALFs have been developed.
Hypotheses about troodontid reproduction have been developed from this evidence (see Troodon).
A number of different tags have been developed to help researchers purify specific proteins from complex mixtures.
Throughout history, more and more accurate mathematical models have been developed.

Alternatives:

have been created
have been built
have been formed
have been established
have been cultivated

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have developed vs have been developed

"have developed"

"have been developed"

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